caplet vs tablet

caplet

noun
  • A smooth-coated tablet (pill, as in medicine) shaped like a capsule, used as a tamper-resistant alternative to a capsule, or an easy-to-swallow alternative to regular tablets. 

  • A component of an interest rate cap, a derivative instrument that effectively prevents the interest payments on an otherwise variable-rate loan from exceeding an agreed level (the "cap"). Each "caplet", analysable as a call option, covers one interest accrual period (such as three months); the whole interest rate cap is made up of a series of consecutive caplets. 

tablet

noun
  • A pill; a small, easily swallowed portion of a substance. 

  • A type of round token giving authority for a train to proceed over a single-track line. 

  • A slab of clay, stone or wood used for inscription. 

  • A tablet computer, a type of portable computer. 

  • A confection made from sugar, condensed milk and butter, produced in flat slabs, with a grainer texture than fudge. 

  • A short scripture written by the founders of the Bahá'í faith. 

  • A block of several sheets of blank paper that are bound together at the top; pad of paper. 

  • A graphics tablet. 

verb
  • To form (a drug, etc.) into tablets. 

How often have the words caplet and tablet occurred in a corpus of books? (source: Google Ngram Viewer )